PROPERTY, PLANT, AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant, and Equipment

Property, plant and equipment, net consist of the following:

	December 31,
(Dollars in millions)	2018			2019
Land and land improvements	$	47		$	42
Building and leasehold improvements	154			156
Machinery, equipment and other (1)	1,085			1,172
Construction-in-progress	29			47
Property, plant and equipment, gross	1,315			1,417
Accumulated depreciation (1)	(299		)	(472		)
Property, plant and equipment, net	$	1,016		$	945

(1) Includes finance lease assets and related amortization (see Note 8).

Schedule of Depreciation and Capitalized Interest Costs

Interest costs capitalized, depreciation expense and finance lease asset amortization expense for the periods presented are as follows:

	Year Ended December 31,
(Dollars in millions)	2017		2018		2019
Interest costs capitalized	$	1	$	1	$	2
Depreciation expense	109		105		176
Finance lease asset amortization expense	—		—		1